ollama - 💡(How to fix) Fix Total bug [5 comments, 3 participants]

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ollama/ollama#15415Fetched 2026-04-09 07:51:26
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What is the issue?

Ollama on previous versions worked smoothly with models like GPT-OSS-20B and similar ones such as QWEN3-30B-3A with practically no CPU load, but now they cause CPU utilization near 100% through OpenWeb UI or ChatBox with context windows of 32 or 64k tokens. Restore proper Ollama functionality.

Relevant log output

OS

Windows

GPU

Nvidia

CPU

Intel

Ollama version

0.20.3

extent analysis

TL;DR

  • Downgrade Ollama to a previous version may resolve the high CPU utilization issue with certain models.

Guidance

  • Investigate the changes made in Ollama version 0.20.3 to identify potential causes of the increased CPU load.
  • Test the same models with a smaller context window to see if the issue is related to the token size.
  • Verify if other users have reported similar issues with the same version and models to confirm if it's a widespread problem.
  • Consider reaching out to the Ollama development team for guidance on resolving the issue or providing a patch.

Notes

  • The issue seems to be specific to Ollama version 0.20.3 and certain models, so the solution may not be applicable to other versions or models.
  • Without more information about the changes made in version 0.20.3, it's difficult to provide a more specific fix.

Recommendation

  • Apply workaround: Downgrade to a previous version of Ollama, as it is reported to have worked smoothly with the mentioned models.

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ollama - 💡(How to fix) Fix Total bug [5 comments, 3 participants]